Multiple choice general knowledge science & technology

An astronaut on earth notes that in her soft drink an ice cube floats with 9/10 its volume submerged. If she were instead in a lunar module parked on the moon, the ice in the same soft drink would float with

  1. less than 9/10 submerged.

  2. 9/10 submerged.

  3. more than 9/10 submerged.

  4. impossible to tell
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The fraction of an ice cube submerged depends only on the density ratio of ice to liquid, not on gravitational acceleration. This ratio is unchanged on the moon, so the submerged volume remains 9/10.

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